The Foxtrot Mike Products MIKE-9 9mm Upper Receiver comes fully assembled and ready to drop on any pistol caliber lower receiver that uses Glock magazines. With its full-length Picatinny top rail and M-LOK compatible handguard, the Foxtrot Mike MIKE-9 9mm Upper offers plenty of mounting space for optics and other accessories.
A unique interlocking connector between the upper receiver and handguard ensures the barrel nut will not work loose over time.
- Premium Melonite-finished 4150 carbone steel
- Button-rifled bore, 1-10″ twist
- Β½”-36 threaded muzzle
- Ambidextrous, non-reciprocating forward charging handle
- Bolt/carrier unit with hard Melonite finish, too
Engineered to function reliably, no matter which manufacturersβ lower itβs mated with, the Foxtrot Mike MIKE-9 9mm Upper Receiver is forgiving enough to cycle even the most economical (weβre not saying “cheap”!) steel or brass cased ammo.
We don’t support aluminum casing.
Foxtrot Mike Products MIKE-9 Upper Receivers are NOT compatible with Korean magazines.